% Echo Location Surface Spectrum in units of mm/sqrt(Hz)
% 64 Frequency Bands are 0.01562500 Hz wide(first frequency band is centered at 0.00830078)
     101
      85
      77
      80
      88
     146
     287
     483
     992
    1582
    1390
    1080
    1054
     718
     935
     932
     675
     687
     532
     550
     436
     352
     367
     365
     276
     298
     308
     246
     213
     219
     207
     191
     150
     128
     174
     147
     134
     131
     121
      91
      89
      90
      82
      60
      76
      48
      64
      65
      23
      44
      23
      20
     -19
     -33
     -16
      37
     -22
     -29
     -20
      49
       7
     -43
     -23
     -36